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introduction： 2Methods of controlling sludge discharge There are two ways to control the discharge of mud：That is, regular discharge of mud and automatic discharge of mud。 ①Set a sludge discharge time(0-8htunable)，Set up automatic timing mud discharge according to time，The period of mud discharge and the initial time interval of mud discharge can be determined by experience，It can also be determined based on the analysis of operational data。 ②The structure of the pulse clarifier is characterized by the hopper type sludge concentration chamber，The advantage is that the mud discharge is more uniform，The slope is also good for discharging mud，Therefore, the mud thickness gauge can be used to monitor the thickness of mud residue in the mud hopper。The specific method is to monitor the muddy layer turbidity at a certain depth in the clarifier，Based on the measured muddy water layer
2015-04-15 Reading quantity 2819
introduction：1．Electrolytic deburring This is using electrical energy、The chemical dissolves the anode and removes burrs。The positive side of the part and the DC power supply is the anode，The forming tool is connected to the negative electrode of the DC power supply for the cathode，Keep a gap between the poles，Let the electrolyte circulate。When the anode and the negative stage are immersed in the solution and subjected to direct current，An electrochemical reaction occurs on the anode surface，The dissolved metal on the surface of the part and the electrolyte form a viscous liquid concentrated in the low recess on the surface of the part，Has higher resistance and less corrosion；Burrs protrude from the surface of the part，Under the influence of temperature difference，Liquid film is difficult to form，The power line is highly concentrated in the burr part
2015-04-15 Reading quantity 1548
introduction：On account ofIKObearing[IKObearing:IKONeedle roller bearing with its special internal structure to achieve the mechanical design of small、Light weight。Guideway bearings are based on the high quality given by needle roller bearings，Precision machining with unique mechanical equipment，Evaluate the quality of the latest machines，Products always maintain high performance and high quality level。]Size limit of，Generally, we are limited by space when installing bearings。In many cases, the inner diameter of the bearing is limited according to the mechanical design。Therefore, in the choice of the type and size of rolling bearings，We are to determine which bearing to choose according to the bearings inner diameter。therefore
2015-04-15 Reading quantity 1591
introduction： A weighing instrument for measuring the weight of material in a hopper。Hopper scales are suitable for all shapes of hoppers﹐Like a square bucket﹑Round bucket and inclined bucket﹐The material in the hopper can be weighed﹐The material level can be controlled by weighing。The material can be liquid or granular solid。Hopper scales are mechanical﹑Hydraulic and electronic types﹐Among them, the electronic hopper scale is widely used。figure Working principle diagram of hopper scale The working principle of a typical electronic hopper scale。The force sensor is installed under the hopper﹐Usually use3OR4Individual force transducer。The weight of the material acts on the force sensor and turns back
2015-04-14 Reading quantity 2851
introduction：Rolling bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The commonly used lubricants are lubricating oil and grease。When the circular velocity of the shaft is less than4-5m/swhen，Or parts of the car that cannot be lubricated with lubricating oil，All are lubricated with grease。The advantage of grease lubrication is that the sealing structure is simple，Grease is not easy to drain，It is not affected by temperature
2015-04-14 Reading quantity 1570
introduction：1 、Remove worm gear reducer Remove belt cover、Triangle belt、Belt pulley，Remove the coupling、bolt、Drop motor。 Remove both end covers of worm and bolts on split face of reducer，Lift the upper cover of the casing and place it on the rubber sheet，To prevent damage to the middle split surface，And clean the top cover，Check the fastening bolts for oil leakage。 Disassembly lubrication system Remove worm gear lock nut，Remove worm gear with special tools，And check the engagement between worm gear and worm，Included contact area、position、Wear, etc.。 Remove oil seal，Cleaning case，Check and process the middle split surface。 2、Inspection worm gear、worm Worm-gear wear
2015-04-14 Reading quantity 3050
introduction： Self-propelled power machinery with all kinds of working machinery。For agriculture﹑haulage﹑Water conservancy﹑Road engineering and construction。In agriculture﹐It is mainly used to pull and drive all kinds of agricultural machinery to complete various field operations and agricultural transportation。 tractor The word first appeared in1890In a U.S. patent document for a traction steam engine。In China, it was translated as tractor﹐1949Later it was renamed Tractor。 General situation The earliest tractors were powered by steam engines﹐The traction steam engine。19mid-century﹐A tractive steam engine working in a field with farm tools﹑America and other countries
2015-04-14 Reading quantity 2827
introduction： For bearing[bearing:bearing（“Bearing”，Japanese person“Axial receptor”）It is a part that holds and reduces the friction coefficient of load during mechanical transmission。Can also be said，When other parts move relative to each other on the shaft，A device used to reduce the coefficient of friction during power transmission and to keep the center of the shaft fixed。]The grease inside must have anti-rust effect，Rust inhibitor preferably insoluble in water。Grease should have good adhesion，And can form an oil film on the surface of the steel，Grease in machining
2015-04-14 Reading quantity 1494
introduction： one、summarize JB/T10480-2004《Flexographic printer》It was announced by the National Development and Reform Commission of the Peoples Republic of China2004Year control61Approved the release of machinery industry standards，Since the2005years4month1It will come into effect on the following day。 JB/T10480-2004《Flexographic printer》The standard is the national printing machinery standardization Technical Committee based on the current development of the printing machinery industry，Fully consider the expanding domestic market demand for flexographic printing machine status，in2002The annual meeting resolution arrangement is drafted by Shanghai Ziguang Machinery Co., LTD
2015-04-14 Reading quantity 2961
introduction：German mechanical engineers,One of the inventors of the gasoline engine。1834years3month17He was born in Shorendrov, Wurttemberg。1853～1856Worked at a machine tool factory in Essen。1857～1859He attended the Technical School of Stuttgart,1861～1863Went to the United Kingdom to study as an intern,He returned to Geislingen、Machine works in Reutlingen and Karlsruhe。Daimler1872～1882Technical Director of high speed four-stroke engines at the German Automotive Engine plant of Langen AG in Cologne，Merge with1883Years of manufacturing success
2015-04-14 Reading quantity 2852
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